The treatment of inflammatory bowel diseases includes the nutritional management, the pharmacotherapy and the surgical treatment. The main aim of treatment is to achieve the remission, to prevent a relapse and to take a decision of surgical treatment. The treatment is introduced in the relevance to the intensification of disease. To assess properly the level of the intensification of disease there is a need of deep knowledge of clinical manifestations of the disease. In the treatment the corticosteroids, 5-aminosalicylic acid (5-ASA) or immunosuppressive treatment are used. Immunosuppressive treatment is now a widely accepted standard in Crohn's disease treatment. Some cases of Crohn's disease could be treated with anti-TNFalpha antibodies that successfully treat the relapses of disease. This treatment is especially well suited to cases that are not successfully treated with the standard pharmacological treatment. The nonsurgical treatment is successful in most cases. There are no standards of treatment of microscopic colitis. We usually start the treatment with 5-ASA and an antidiarrheal agent. In case of failure of this treatment we introduce corticosteroids. In this paper authors present basic information about the current state of knowledge about inflammatory bowel diseases treatment.